How to add a module in dotnetnuke

The Modules menu is found at the top of the page.

Click on the drop down box indicator to show the list of available modules. Select The module you want to add on your page and also select that on which part of the page you want your that module to be placed.
And finally click on the Add button or Add link.

Templates Available for the controls

IN BRIEF THE TEMPLATES AVAILABLE IN THESE CONTROLS ARE:

TEMPLATE	DESCRIPTION	SUPPORTED BY
AlternatingItemTemplate	Represents the collection of elements and controls that are rendered for every alternating row in the data source.	Repeater and DataList
SelectedItemTemplate	Represents the collection of elements and controls that are rendered when an item is selected in the control	DataList
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HeaderTemplate	Represents the collection of elements and controls that are accessed one before any other item is accessed in the control	Repeater, DataList. and DataGrid
FooterTemplate	Represents the collection of elements and controls that are accessed one time after all the items are accessed in the control.	Repeater, DataList, and DataGrid
EditItemTemplate	Represents the collection of elements and controls that are rendered when an item in the server control is in edit mode.	DataList and DataGrid
SeparatorTemplate	Represents the collection of elements and controls that are rendered between each item.	Repeater and DataGrid
PagerTemplate	Represents the collection of elements and controls that are rendered when information is paged	DataGrid
ItemTemplate	Represents the collection of elements and controls that are rendered one time for each data source row	Repeater, DataList, and DataGrid

You can create and edit a template for a server control either by using Visual Designer or by editing ASP.NET code. When you use Visual Designer, the corresponding ASP.NET code is generated automatically.